Foundation video model

Grok Imagine Video 1.5

xAI's generally available Grok Imagine Video 1.5 now covers text-to-video, image-to-video, reference-to-video, first/last-frame control, video editing and extension with native generated audio. This page separates the current canonical 15-second xAI limit and native 1080p T2V/I2V surface from provider-specific subsets and Roko's non-official 30-second route.

Official site View pricing Updated Sep 23, 2026
Key facts

Verified model snapshot

ReleasedJun 16, 2026Verified Sep 22, 2026
Maximum duration1–15 seconds canonical xAI generation; longer Roko buckets are provider-specific and non-officialVerified Sep 22, 2026
Maximum resolution1080p native for T2V/I2V; R2V max 720p; edit inherits input and is capped at 720pVerified Sep 22, 2026
Native audioYesVerified Sep 22, 2026
API statusavailableVerified Sep 22, 2026
Version delta

What changed

Pricing & providers

Where to access this model

Provider

xAI

4 observed offers · from $0.08/generated second

Last checked Sep 22, 2026

View 4 offer details
/v1/videos/generations · T2V / I2V · 480p

USD 0.08 / generated second

$0.08 per generated second at 480p

Canonical xAI direct output rate.

Source ↗
/v1/videos/generations · T2V / I2V · 720p

USD 0.14 / generated second

$0.14 per generated second at 720p

Canonical xAI direct output rate; R2V remains capped at 720p.

Source ↗
/v1/videos/generations · T2V / I2V · 1080p

USD 0.25 / generated second

$0.25 per generated second at 1080p

Canonical xAI direct output rate; native 1080p applies to T2V/I2V.

Source ↗
/v1/videos/generations · media input

USD 0.01 / input image

$0.01 per input image

Separate image-input charge; do not merge with output-video rate.

Source ↗
Provider

fal

3 observed offers · from $0.08/generated second

Last checked Sep 22, 2026

View 3 offer details
xai/grok-imagine-video/v1.5/text-to-video · text to video · 480p

USD 0.08 / generated second

$0.08 per generated second at 480p

fal route; provider surface may expose a narrower subset than xAI direct.

Source ↗
xai/grok-imagine-video/v1.5/text-to-video · text to video · 720p

USD 0.14 / generated second

$0.14 per generated second at 720p

fal route; direct xAI and fal nominal rates are kept as separate offers.

Source ↗
xai/grok-imagine-video/v1.5/text-to-video · text to video · 1080p

USD 0.25 / generated second

$0.25 per generated second at 1080p

fal route; provider capability subset remains separate from canonical xAI limits.

Source ↗
Provider

Roko API

3 observed offers

Last checked Sep 22, 2026

View 3 offer details
/v1/videos/tasks · gateway fast route · 480p / 720p

USD 0.099 / per generation

$0.099 per generation for 6–10s

Non-official TTAPI route; do not convert to a canonical per-second rate.

Source ↗
/v1/videos/tasks · gateway fast route · 480p / 720p

USD 0.22 / per generation

$0.22 per generation for 12–20s

Non-official TTAPI route; the 20s bucket exceeds canonical xAI max and stays provider-specific.

Source ↗
/v1/videos/tasks · gateway fast route · 480p / 720p

USD 0.33 / per generation

$0.33 per generation for 21–30s

Non-official TTAPI route; do not publish 30s as xAI's canonical limit.

Source ↗
Provider

reAPI

4 observed offers · from $0.04/generated second

Last checked Sep 22, 2026

View 4 offer details
/api/v1/videos/generations · image to video · 480p

USD 0.04 / generated second

$0.04 per generated second at 480p

Provider route label preserved; route identity with xAI direct is not assumed.

Source ↗
/api/v1/videos/generations · image to video · 720p

USD 0.08 / generated second

$0.08 per generated second at 720p

Provider route label preserved; provider-specific pricing is not canonical xAI pricing.

Source ↗
/api/v1/videos/generations · image to video · 480p

USD 0.084 / generated second

$0.084 per generated second at 480p

Separate reAPI route label; do not merge with official-route row.

Source ↗
/api/v1/videos/generations · image to video · 720p

USD 0.144 / generated second

$0.144 per generated second at 720p

Separate reAPI route label; do not merge with official-route row.

Source ↗
Provider

EvoLink

2 observed offers · from $0.056/generated second

Last checked Sep 22, 2026

View 2 offer details
/v1/videos/generations · image to video · 480p

USD 0.056 / generated second

$0.056 per generated second at 480p

Gateway uses preview alias; provider subset remains separate from current xAI canonical surface.

Source ↗
/v1/videos/generations · image to video · 720p

USD 0.0992 / generated second

$0.0992 per generated second at 720p

Gateway uses preview alias; provider subset remains separate from current xAI canonical surface.

Source ↗
Provider

Runware

4 observed offers

Last checked Sep 22, 2026

View 4 offer details
Runware videoInference · text to video · 1904x1072

USD 1.5 / per example generation

$1.50 for one 6-second example

Provider example; approximately 3m42s end-to-end, not canonical inference speed.

Source ↗
Runware videoInference · first frame · 720p

USD 0.99 / per example generation

$0.99 for one 7-second example

Provider example with preset voice; approximately 42s end-to-end.

Source ↗
Runware videoInference · reference to video · 1280x720

USD 0.73 / per example generation

$0.73 for one 5-second example

Provider example with 3 reference images; approximately 43s end-to-end.

Source ↗
Runware videoInference · multi speaker dialogue · 720x1280

USD 1.4 / per example generation

$1.40 for one 10-second example

Provider example with two preset voices; approximately 55s end-to-end.

Source ↗
View detailed pricing
Derived signals

What stands out

Evidence-backed signals

  • Native audio is positively verified from an entity-supporting source.
  • Maximum duration is recorded as 1–15 seconds canonical xAI generation; longer Roko buckets are provider-specific and non-official.
  • Official API access is verified as available.
Public test evidence

Recorded test runs

Hands-on testing pending. No quality score or first-hand verdict is shown until a complete raw test record is attached.
External evidence

Independent reports and examples

These observations belong to the named publishers and providers; they are not FrameSignal hands-on tests.

EvoLink · EvoLink Team

provider hands on i2v

EvoLink's product-ad I2V test kept the perfume-bottle composition convincing through a restrained orbit and light sweep, while delicate requested audio was limited.

Reported result: Bottle/composition stayed convincing; restrained orbit/light sweep worked, but requested delicate audio was limited.

Prompt: Premium perfume bottle single-shot test; exact prompt preserved at source.

Settings: source image: true · duration seconds: 6 · resolution: 720p · single continuous shot: true

Open source ↗
EvoLink · EvoLink Team

provider hands on talking head i2v

EvoLink's talking-head I2V test produced usable short American-English speech, small head motion and room tone; lip-sync and pronunciation still needed review.

Reported result: Short American-English speech, small head motion and room tone were usable; author says lip-sync/pronunciation still need review.

Prompt: Direct-to-camera English talking-head test; exact prompt preserved at source.

Settings: source image: true · duration seconds: 6 · resolution: 720p · single continuous shot: true

Open source ↗
EvoLink · EvoLink Team

provider hands on cinematic i2v

EvoLink's desert-courier cinematic I2V test delivered strong mood, with local deformation risk when wind affected scarf, coat and hair.

Reported result: Strong cinematic mood; local deformation risk increased when wind affected scarf, coat and hair.

Prompt: Desert courier cinematic test with wind, sand, lightning and thunder; exact prompt preserved at source.

Settings: source image: true · duration seconds: 6 · resolution: 720p · single continuous shot: true

Open source ↗
Runware · Runware

raw generation charge

Runware's Raku pottery workshop text-to-video example shows a $1.50 raw generation charge and approximately 3m42s end-to-end wait.

Reported metric: 1.5 USD

Reported result: Provider displays approximately 3m42s end-to-end and raw output.

Prompt: Raku pottery workshop social ad; full prompt preserved at source.

Settings: duration seconds: 6 · dimensions: 1904x1072

Open source ↗
Runware · Runware

raw generation charge

Runware's first-frame-with-voice example shows a $0.99 raw generation charge and approximately 42 seconds end-to-end.

Reported metric: 0.99 USD

Reported result: Provider displays approximately 42 seconds end-to-end and raw output.

Prompt: Mobile knife sharpening reel; full prompt preserved at source.

Settings: duration seconds: 7 · resolution: 720p · preset voice: rex · first frame: true

Open source ↗
Runware · Runware

raw generation charge

Runware's three-reference logo-loop example shows a $0.73 raw generation charge and approximately 43 seconds end-to-end.

Reported metric: 0.73 USD

Reported result: Provider displays approximately 43 seconds end-to-end and raw output.

Prompt: Avalanche forecast center logo loop; full prompt preserved at source.

Settings: duration seconds: 5 · resolution: 1280x720 · reference images: 3

Open source ↗
Runware · Runware

raw generation charge

Runware's multi-speaker dialogue example shows a $1.40 raw generation charge and approximately 55 seconds end-to-end.

Reported metric: 1.4 USD

Reported result: Provider displays approximately 55 seconds end-to-end and raw output.

Prompt: Oyster hatchery documentary B-roll with two preset voices; full prompt preserved at source.

Settings: duration seconds: 10 · dimensions: 720x1280 · preset voices: ["iris","atlas"]

Open source ↗
External benchmarks

Benchmark snapshots

Artificial Analysis Image to Video Leaderboard (With Audio) · Sep 22, 2026

1.5

image to video with audioElo1099 Elo · rank 8 · n=4,861
image to video with audiorank8 rank · rank 8 · n=4,861
image to video with audiosamples4861 comparisons · rank 8 · n=4,861
Open benchmark source ↗
Capabilities

Capability matrix

Text to videoYes
Image to videoYes
Video to videoYes
Native audioYes
Reference imagesYes
Aspect ratios1:1, 16:9, 9:16, 4:3, 3:4, 3:2, 2:3
Compare with

Related public models

Alternatives

Related models to evaluate

Developer access

API

StatusavailableVerified Sep 22, 2026
PricingxAI direct bills $0.08/$0.14/$0.25 per generated second at 480p/720p/1080p, plus $0.01 per input image when applicable. Gateway per-generation prices remain provider-specific.Verified Sep 22, 2026
Official accessDocumentation ↗
Open API record
Latest updates

Grok Imagine Video 1.5 change feed

View all updates
Evidence

Sources and verification